curl --request GET \
  --url https://api.pawpayments.com/api/v2/invoices/{invoice_id} \
  --header 'x-api-key: <api-key>'

import requests

url = "https://api.pawpayments.com/api/v2/invoices/{invoice_id}"

headers = {"x-api-key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'x-api-key': '<api-key>'}};

fetch('https://api.pawpayments.com/api/v2/invoices/{invoice_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.pawpayments.com/api/v2/invoices/{invoice_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.pawpayments.com/api/v2/invoices/{invoice_id}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-api-key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.pawpayments.com/api/v2/invoices/{invoice_id}")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.pawpayments.com/api/v2/invoices/{invoice_id}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["x-api-key"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "ok": true,
  "result": {
    "accepted_coins": [
      "usdt_tron",
      "usdc_eth"
    ],
    "address_from": null,
    "address_to": "TXk2Y5...redacted",
    "amount": 49.5,
    "asset": "usdt_tron",
    "billing_type": "fiat",
    "created_at": 1763398800,
    "description": "1 month subscription",
    "excluded_coins": null,
    "expires_at": 1763400600,
    "external_id": "f2c8a3d1-4b7e-4f8a-9c1d-2e3b4a5c6d7e",
    "extra": "order-12345",
    "fee_bearer": "merchant",
    "fiat_amount": 50,
    "fiat_currency": "USD",
    "initial_amount": 49.5,
    "initial_asset": "usdt_tron",
    "initial_fiat_amount": 50,
    "metadata": {
      "customer_id": "u_42"
    },
    "notify_url": "https://shop.example.com/webhook/paw",
    "on_cancel_url": "https://shop.example.com/cancel",
    "on_paid_url": "https://shop.example.com/thanks",
    "order_id": "65f1c3a4e8b1c2d3a4b5c6d7",
    "original_amount": 50,
    "payer_info": null,
    "payment_url": "https://pay.pawpayments.com/checkout/f2c8a3d1-4b7e-4f8a-9c1d-2e3b4a5c6d7e",
    "permanent_address_id": null,
    "price_modifier": -1,
    "processed_at": null,
    "received_amount": 0,
    "status": "created",
    "title": "Premium plan",
    "txid": null,
    "type": "token",
    "underpay_tolerance": 0.01,
    "user_id": null
  }
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "details": [
      {
        "field": "amount",
        "message": "Field required"
      }
    ],
    "message": "Validation failed"
  },
  "ok": false
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "details": [
      {
        "field": "amount",
        "message": "Field required"
      }
    ],
    "message": "Validation failed"
  },
  "ok": false
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "details": [
      {
        "field": "amount",
        "message": "Field required"
      }
    ],
    "message": "Validation failed"
  },
  "ok": false
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "details": [
      {
        "field": "amount",
        "message": "Field required"
      }
    ],
    "message": "Validation failed"
  },
  "ok": false
}